CN103575386B - Based on diffuse reflection type high light temporal and spatial sampling measuring method and the device of rotating vane - Google Patents
Based on diffuse reflection type high light temporal and spatial sampling measuring method and the device of rotating vane Download PDFInfo
- Publication number
- CN103575386B CN103575386B CN201310516683.1A CN201310516683A CN103575386B CN 103575386 B CN103575386 B CN 103575386B CN 201310516683 A CN201310516683 A CN 201310516683A CN 103575386 B CN103575386 B CN 103575386B
- Authority
- CN
- China
- Prior art keywords
- blade
- sampling
- infrared camera
- temporal
- high light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
A kind of diffuse reflection type high light temporal and spatial sampling measuring method based on rotating vane and device, be made up of moveable platform, bracing frame, drive unit, light beam sampling runner, electric-control system and infrared camera, the present invention utilizes the spiral paddle high speed rotational blade be placed in the middle of superlaser transmission path, diffuse reflection is implemented to the High energy laser beam passed through wherein, received by infrared camera and diffuse and imaging, thus obtain the spatial and temporal distributions pattern of High energy laser beam, major part energy measurement of high energy laser will, through rotating vane, continue to propagate along original optical path.What the present invention avoided laser irradiated surface in traditional measurement method to cause because high light residence time is long burns, and effectively improve the temporal resolution of high light sampling, obtain high-resolution light spot image, mobility is good, and follow-up rectification is simple.
Description
Technical field
The present invention relates to a kind of measuring method and device of high light spatial and temporal distributions parameter, especially a kind of High Rotation Speed diffuse reflection blade that utilizes implements on-line monitoring method and the device of sampling to high light.
Background technology
Light laser, in propagation in atmosphere process, is subject to the impact of the atmospheric effects such as turbulent flow, thermal blooming and delustring, and far-field spot distribution has larger change relative to laser exit.The far field power density spatial and temporal distributions of Measurement accuracy High energy laser beam, obtains the important parameter such as laser beam quality, barycenter drift, has become the Atmospheric propagating effects analyzing superlaser and the necessary means evaluating high energy laser system performance index.
Traditional superlaser spatial and temporal distributions metering system is as ablation, CCD method, photoelectric/photothermal detector array method etc. based on face battle array Sampling device, all carry out sampling and analyzing by receiving whole incident laser energy to hot spot, beam reception sample material needs to have very strong heat-resisting ability; Meanwhile, make like this laser irradiating effects test and high light Atmospheric propagating effects measurement test be separated, cannot be real-time, intuitively superlaser irradiation effect is compared with light beam to correlation parameters such as target characteristic, atmospheric conditions and is associated.In order to improve test efficiency, reduce test spending, reduce high energy laser system the risk and cost in design, assessment and decision-making, develop and develop effective high light spatial and temporal distributions On-line Measuring Method and device, becoming the inexorable trend of superlaser measuring technology development.Hou Zaihong etc. (light laser and the particle beams, the 3rd phase in 2002) improve stationary plane configuration sensor hot spot mensuration, by 77 sensor arrangement across linear arrays, rotate laser beam sampling, complete the detection to laser facula with this linear array for radius.The method can not stop laser propagation completely, but need design complexity and the physical construction of precision and Circuits System, and because being limited by cell sensor dense arrangement degree, sample space resolution is still lower.(light laser and the particle beams such as Chen Shaowu, 10th phase in 2006) adopt the 45o inclined-plane of a High Rotation Speed installed with incident laser eccentric axis annular finishing tool to implement to reflect to light beam and sample, probe unit (comprising optical attenuation sheet, optical fiber, detector etc.) array distributes along finishing tool reflected light path even circumferential, finishing tool often rotates one week, by restoring and the response signal of calculating detector, just obtain the spatial and temporal distributions pattern of the complete hot spot of a frame.The method makes most light through finishing tool and propagates along original optical path undisturbed, successfully achieves the on-line monitoring to high light spatial and temporal distributions, but its same system is complicated, bulky, during use, dismounting has inconvenience more, and because being limited by finishing tool mechanical separator speed, sampling time resolution is lower.Above-mentioned two kinds of laser spatial and temporal distributions measuring methods are all based on discrete cell detector, the laser beam of wavelength in special spectrum responding range can only be measured, rectification difficulty after system manufacture solidification is large, with high costs, and thus the subsequent expansion of measuring equipment utilizes and there is certain limitation.
Summary of the invention
Technical matters to be solved by this invention is: solve above-mentioned prior art Problems existing, and the diffuse reflection type high light temporal and spatial sampling measuring method based on rotating vane providing a kind of system relatively simple, easy to use and device, avoid laser irradiated surface in traditional measurement method to cause because high light residence time is long to burn, effectively improve the temporal resolution of high light sampling, the light spot image resolution obtained is high, mobility is good, and follow-up rectification is simple.
The technical solution used in the present invention is:
A kind of diffuse reflection type high light temporal and spatial sampling measuring method based on rotating vane, utilize the spiral paddle high speed rotational blade be placed in the middle of superlaser transmission path, diffuse reflection is implemented to the High energy laser beam passed through wherein, received by infrared camera and diffuse and imaging, thus obtain the spatial and temporal distributions pattern of High energy laser beam, major part energy measurement of high energy laser will, through rotating vane, continue to propagate along original optical path.
The implementation procedure of the above-mentioned diffuse reflection type high light temporal and spatial sampling measuring method based on rotating vane is as follows:
Step 1: surface uniform is coated with diffuse coatings, the spiral paddle blade wheel spoke of the distribution that is centrosymmetric is placed in high light light path;
Step 2, utilize laser instrument guide lights, the height of adjustment blade spoke and deflection angle, make laser vertical be incident to spoke surface, and it is wide to exceed sampling blade spoke, needs repetition step 1 and step 2 if desired;
After step 3, blade spoke position and attitude are put and put in place, fastening to its enforcement, to guarantee the stability of blade in the middle of high-speed rotation;
Step 4, put infrared camera, guarantee that it avoids high light light path, and can testing laser hot spot under complete documentation;
Step 5, unlatching motor, and require to arrange blade spoke rotating speed according to high light Temporal sampling;
Step 6, the infrared camera single-frame images time shutter is set, guarantees that single blade can complete the complete scan to laser facula to be measured in an exposure cycle;
Step 7, infrared camera mode of operation is preset as external trigger pattern, by laser diode and photelectric receiver or obtain with shaft encoder and the real-time position information of record sampling blade, and sends trigger pip to infrared camera;
Step 8, startup infrared camera, and launch main laser, complete sampling and the measurement of high light spatial and temporal distributions.
A kind of diffuse reflection type high light temporal and spatial sampling measurement mechanism based on rotating vane, by moveable platform, bracing frame, drive unit, light beam sampling runner, electric-control system and infrared camera composition, bracing frame and electric-control system are arranged on moveable platform, drive unit and light beam sampling runner are arranged on bracing frame, drive unit comprises motor, transmission shaft and right-angle gear gearing, motor is connected integrated with bracing frame bottom, transmission shaft is hidden in the centre strut of bracing frame, transmission shaft upper end drives light beam sampling runner by right-angle gear gearing by being axially converted to horizontal direction, described light beam sampling runner comprises multi-disc taper blade and wheel hub, scrambler is arranged on the axle sleeve of wheel hub, taper blade is symmetrical centered by wheel hub, taper blade surface uniform spraying diffuse coatings, the positional information of the every root blade of scrambler real time record, and send synchronizing signal through electric-control system amplify after trigger infrared camera, the infrared camera with corresponding spectral response range is arranged on and can accepts to diffuse and the place of imaging.
In technique scheme, described moveable platform comprises platform body, steering gear, lifting jack and tire, and platform body surrounding installs 4 adjustable lifting jacks, and platform body is by Tire support, and steering gear is arranged on platform body front end.
In technique scheme, described bracing frame comprises the first rotary joint web member, the second rotary joint web member, slide rail, both sides support arm and centre strut, centre strut is fixed on the first rotary joint web member, first rotary joint web member both sides are sleeved on the second rotary joint web member, second rotary joint web member is fixed on the support arm of both sides, and both sides support arm is arranged on also can along slide rail slide anteroposterior on slide rail.
In technique scheme, the positional information of described every root blade is by laser diode and photelectric receiver or obtain with shaft encoder and send.
In technique scheme, the rotating speed of described sampling blade is adjustable, and pixel resolution and the spectral response range of infrared camera are adjustable, the spoke position of sampling blade and adjustable angle.
Remarkable technique effect of the present invention:
1, the present invention proposes a kind of online high light temporal and spatial sampling measuring method, it carries out temporal and spatial sampling by the rotating vane of low duty ratio to high light, high light major part energy is made to can pass through measurement mechanism, continue to propagate along original optical path, what avoid that laser irradiated surface in traditional measurement method causes because high light residence time is long to a great extent burns simultaneously.
2, many blade copped wave scanning sample methods of the present invention, effectively raise the temporal resolution of high light sampling; And by selecting high resolution infrared camera, obtain high-resolution light spot image.
3, the measurement mechanism of the present invention's proposition, manufacture and design relatively simple, mobility is good, easy to use; Its follow-up rectification is simple, only need install the infrared camera of different spectral response range, and the high light temporal and spatial sampling that just can realize different wave length is measured.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of measurement mechanism in the specific embodiment of the invention;
Fig. 2 is embodiment of the present invention principle schematic;
Fig. 3 is moveable platform structural representation in embodiment;
Fig. 4 is support frame structure schematic diagram;
Fig. 5 is driving device structure partial sectional view;
Fig. 6 is light beam sampling runner assembling schematic diagram;
Fig. 7 is the hot spot sample graph of sampled measurements in specific embodiment.
Accompanying drawing mark illustrates:
1-moveable platform, 2-bracing frame, 3-drive unit, 4-light beam sampling runner, 5-electric-control system, 6-infrared camera, 7-steering gear, 8-lifting jack, 9-tire, 10-first rotary joint web member, 11-second rotary joint web member, 12-slide rail, 13-both sides support arm, 14-centre strut, 15-motor, 16-transmission shaft, 17-right-angle gear gearing, 18-taper blade, 19-wheel hub, 20-scrambler.
Embodiment
A kind of diffuse reflection type high light temporal and spatial sampling measuring method based on rotating vane, utilize the spiral paddle high speed rotational blade be placed in the middle of superlaser transmission path, diffuse reflection is implemented to the High energy laser beam passed through wherein, received by infrared camera and diffuse and imaging, thus obtain the spatial and temporal distributions pattern of High energy laser beam, major part energy measurement of high energy laser will, through rotating vane, continue to propagate along original optical path.
The implementation procedure of the above-mentioned diffuse reflection type high light temporal and spatial sampling measuring method based on rotating vane is as follows:
Step 1: surface uniform is coated with diffuse coatings, the spiral paddle blade wheel spoke of the distribution that is centrosymmetric is placed in high light light path;
Step 2, utilize laser instrument guide lights, the height of adjustment blade spoke and deflection angle, make laser vertical be incident to spoke surface, and it is wide to exceed sampling blade spoke, needs repetition step 1 and step 2 if desired;
After step 3, blade spoke position and attitude are put and put in place, fastening to its enforcement, to guarantee the stability of blade in the middle of high-speed rotation;
Step 4, put infrared camera, guarantee that it avoids high light light path, and can testing laser hot spot under complete documentation;
Step 5, unlatching motor, and require to arrange blade spoke rotating speed according to high light Temporal sampling;
Step 6, the infrared camera single-frame images time shutter is set, guarantees that single blade can complete the complete scan to laser facula to be measured in an exposure cycle;
Step 7, infrared camera mode of operation is preset as external trigger pattern, by laser diode and photelectric receiver or obtain with shaft encoder and the real-time position information of record sampling blade, and sends trigger pip to infrared camera;
Step 8, startup infrared camera, and launch main laser, complete sampling and the measurement of high light spatial and temporal distributions.
A kind of diffuse reflection type high light temporal and spatial sampling measurement mechanism based on rotating vane, by moveable platform, bracing frame, drive unit, light beam sampling runner, electric-control system and infrared camera composition, bracing frame and electric-control system are arranged on moveable platform, drive unit and light beam sampling runner are arranged on bracing frame, drive unit comprises motor, transmission shaft and right-angle gear gearing, motor is connected integrated with bracing frame bottom, transmission shaft is hidden in the centre strut of bracing frame, transmission shaft upper end drives light beam sampling runner by right-angle gear gearing by being axially converted to horizontal direction, described light beam sampling runner comprises multi-disc taper blade and wheel hub, scrambler is arranged on the axle sleeve of wheel hub, taper blade is symmetrical centered by wheel hub, taper blade surface uniform spraying diffuse coatings, the positional information of the every root blade of scrambler real time record, and send synchronizing signal through electric-control system amplify after trigger infrared camera, the infrared camera with corresponding spectral response range is arranged on and can accepts to diffuse and the place of imaging.
Above-mentioned moveable platform comprises platform body, steering gear, lifting jack and tire, and platform body surrounding installs 4 adjustable lifting jacks, and platform body is by Tire support, and steering gear is arranged on platform body front end.
The above-mentioned bracing frame stated comprises the first rotary joint web member, the second rotary joint web member, slide rail, both sides support arm and centre strut, centre strut is fixed on the first rotary joint web member, first rotary joint web member both sides are sleeved on the second rotary joint web member, second rotary joint web member is fixed on the support arm of both sides, and both sides support arm is arranged on also can along slide rail slide anteroposterior on slide rail.
The positional information of above-mentioned every root blade is by laser diode and photelectric receiver or obtain with shaft encoder and send.
The rotating speed of above-mentioned sampling blade is adjustable, and pixel resolution and the spectral response range of infrared camera are adjustable, the spoke position of sampling blade and adjustable angle.
Below more respectively in conjunction with each accompanying drawing, the present invention is described in further detail:
The one-piece construction schematic diagram of measuring system in the specific embodiment of the invention as shown in Figure 1, whole measuring system is made up of moveable platform 1, bracing frame 2, drive unit 3, light beam sampling runner 4, electric-control system 5, infrared camera 6.
Embodiment of the present invention principle schematic as shown in Figure 2, high light temporal and spatial sampling method proposed by the invention utilizes motor to drive spiral paddle blade High Rotation Speed, high light light beam is sampled, received by the infrared camera with corresponding spectral response range and diffuse and imaging, thus obtain the spatial and temporal distributions pattern of high light light beam.Device for performing measurements is loaded by a moveable platform, maneuverability.During blade rotation, the positional information of the every root blade of scrambler real time record, and send synchronizing signal, in order to trigger infrared camera after ECU (Electrical Control Unit) is amplified.The rotating speed that ECU (Electrical Control Unit) also has motor concurrently simultaneously controls and the reception of scrambler output information and decoding function, and it is integrated in an electrical control cubicles together with control module with image acquisition, camera manipulation etc.
Moveable platform 1 as shown in Figure 3 in embodiment, in order to integrated a whole set of measuring system, improves its mobility.It comprises platform body, steering gear 7, lifting jack 8 and tire 9; Platform body surrounding installs 4 adjustable lifting jacks 8 altogether, in order to support and firm measurement mechanism during measurement; Steering gear 7 can be used for the rough adjustment of measuring system putting position and angles.
Bracing frame 2 as shown in Figure 4 in embodiment, in order to support drive device 3 and light beam sampling runner 4; It comprises the first rotary joint web member 10, second rotary joint web member 11, slide rail 12, both sides support arm 13 and centre strut 14, and entirety can along slide rail 12 slide anteroposterior; Centre strut 14 relies on two joint connectors to rotate adjustable along different directions, can realize the intense adjustment of light beam sampling runner 4 position and attitude.
Drive unit 3 as shown in Figure 5 in embodiment, it comprises motor 15, transmission shaft 16 and right-angle gear gearing 17; Motor 15 maximum speed reaches 1000rps, and is connected integrated with bracing frame 2 bottom, to balance and counterweight; Transmission shaft 16 is hidden in the centre strut 14 of bracing frame 2, and drives light beam sampling runner 4 by right-angle gear gearing 17 by being axially converted to horizontal direction.
Light beam sampling runner 4 as shown in Figure 6 in embodiment, it comprises 6 taper blades 18 and wheel hub 19, is connected in axle sleeve mode with scrambler 20.For ensureing blade mechanism performance, its material substrate can adopt aviation duralumin, symmetrical centered by wheel hub 19, and 6 overall dutycycles of blade are 5%; Blade surface can adopt flame spraying or high velocity air spraying coating process, even application diffuse coatings; Scrambler 20 adopts absolute rotary encoder, the real time position of sampling runner bucket in order to provide light beam and velocity information, and sends synchronizing signal in order to trigger infrared camera.
Claims (6)
1. the diffuse reflection type high light temporal and spatial sampling measuring method based on rotating vane, utilize the spiral paddle high speed rotational blade be placed in the middle of superlaser transmission path, diffuse reflection is implemented to the High energy laser beam passed through wherein, received by infrared camera and diffuse and imaging, thus obtain the spatial and temporal distributions pattern of High energy laser beam, major part energy measurement of high energy laser will, through rotating vane, continue to propagate along original optical path; It is characterized in that: implementation procedure is as follows:
Step 1: surface uniform is coated with diffuse coatings, the spiral paddle blade wheel spoke of the distribution that is centrosymmetric is placed in high light light path;
Step 2, utilize laser instrument guide lights, the height of adjustment blade spoke and deflection angle, make laser vertical be incident to spoke surface, and it is wide to exceed sampling blade spoke, needs repetition step 1 and step 2 if desired;
After step 3, blade spoke position and attitude are put and put in place, fastening to its enforcement, to guarantee the stability of blade in the middle of high-speed rotation;
Step 4, put infrared camera, guarantee that it avoids high light light path, and can testing laser hot spot under complete documentation;
Step 5, unlatching motor, and require to arrange blade spoke rotating speed according to high light Temporal sampling;
Step 6, the infrared camera single-frame images time shutter is set, guarantees that single blade can complete the complete scan to laser facula to be measured in an exposure cycle;
Step 7, infrared camera mode of operation is preset as external trigger pattern, by laser diode and photelectric receiver or obtain with shaft encoder and the real-time position information of record sampling blade, and sends trigger pip to infrared camera;
Step 8, startup infrared camera, and launch main laser, complete sampling and the measurement of high light spatial and temporal distributions.
2. the diffuse reflection type high light temporal and spatial sampling measurement mechanism based on rotating vane, it is characterized in that: by moveable platform, bracing frame, drive unit, light beam sampling runner, electric-control system and infrared camera composition, bracing frame and electric-control system are arranged on moveable platform, drive unit and light beam sampling runner are arranged on bracing frame, drive unit comprises motor, transmission shaft and right-angle gear gearing, motor is connected integrated with bracing frame bottom, transmission shaft is hidden in the centre strut of bracing frame, transmission shaft upper end drives light beam sampling runner by right-angle gear gearing by being axially converted to horizontal direction, described light beam sampling runner comprises multi-disc taper blade and wheel hub, scrambler is arranged on the axle sleeve of wheel hub, taper blade is symmetrical centered by wheel hub, taper blade surface uniform spraying diffuse coatings, the positional information of the every root blade of scrambler real time record, and send synchronizing signal through electric-control system amplify after trigger infrared camera, the infrared camera with corresponding spectral response range is arranged on and can accepts to diffuse and the place of imaging.
3. the diffuse reflection type high light temporal and spatial sampling measurement mechanism based on rotating vane according to claim 2, it is characterized in that: described moveable platform comprises platform body, steering gear, lifting jack and tire, platform body surrounding installs 4 adjustable lifting jacks, platform body is by Tire support, and steering gear is arranged on platform body front end.
4. the diffuse reflection type high light temporal and spatial sampling measurement mechanism based on rotating vane according to claim 2, it is characterized in that: described bracing frame comprises the first rotary joint web member, the second rotary joint web member, slide rail, both sides support arm and centre strut, centre strut is fixed on the first rotary joint web member, first rotary joint web member both sides are sleeved on the second rotary joint web member, second rotary joint web member is fixed on the support arm of both sides, and both sides support arm is arranged on also can along slide rail slide anteroposterior on slide rail.
5. the diffuse reflection type high light temporal and spatial sampling measurement mechanism based on rotating vane according to claim 2, is characterized in that: the positional information of described every root blade is by laser diode and photelectric receiver or obtain with shaft encoder and send.
6. the diffuse reflection type high light temporal and spatial sampling measurement mechanism based on rotating vane according to claim 2, it is characterized in that: the rotating speed of described sampling blade is adjustable, pixel resolution and the spectral response range of infrared camera are adjustable, the spoke position of sampling blade and adjustable angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310516683.1A CN103575386B (en) | 2013-10-28 | 2013-10-28 | Based on diffuse reflection type high light temporal and spatial sampling measuring method and the device of rotating vane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310516683.1A CN103575386B (en) | 2013-10-28 | 2013-10-28 | Based on diffuse reflection type high light temporal and spatial sampling measuring method and the device of rotating vane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103575386A CN103575386A (en) | 2014-02-12 |
| CN103575386B true CN103575386B (en) | 2015-12-02 |
Family
ID=50047660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310516683.1A Expired - Fee Related CN103575386B (en) | 2013-10-28 | 2013-10-28 | Based on diffuse reflection type high light temporal and spatial sampling measuring method and the device of rotating vane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103575386B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866077A (en) * | 2016-03-21 | 2016-08-17 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Time-resolved fluorescence analysis system and detection apparatus |
| CN106918446B (en) * | 2017-03-07 | 2019-06-07 | 西北核技术研究所 | Apparatus for measuring quality of laser beam and method based on the sampling of rotating cylinder spiral string holes |
| CN113253561B (en) * | 2021-05-14 | 2022-02-22 | 广东省科学院半导体研究所 | Blade light-following and image-pickup device |
| CN114486197B (en) * | 2022-01-27 | 2024-03-12 | 中国科学院长春光学精密机械与物理研究所 | Target generator suitable for optical lens transfer function detection |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090966A (en) * | 2013-02-01 | 2013-05-08 | 北京航空航天大学 | Laser intensity distribution accurate measurement system using single photodetector |
| CN203519159U (en) * | 2013-10-28 | 2014-04-02 | 中国人民解放军国防科学技术大学 | Diffuse reflection type highlight space-time sampling and measuring device based on rotating blade |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5982479A (en) * | 1997-02-14 | 1999-11-09 | Medar, Inc. | Method for calibrating a tilt inspection system and reference disk assembly for use therein |
-
2013
- 2013-10-28 CN CN201310516683.1A patent/CN103575386B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090966A (en) * | 2013-02-01 | 2013-05-08 | 北京航空航天大学 | Laser intensity distribution accurate measurement system using single photodetector |
| CN203519159U (en) * | 2013-10-28 | 2014-04-02 | 中国人民解放军国防科学技术大学 | Diffuse reflection type highlight space-time sampling and measuring device based on rotating blade |
Non-Patent Citations (1)
| Title |
|---|
| 强激光远场光斑强度分布测量技术;冯国斌等;《强激光与粒子束》;20130731;第1615-1616页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103575386A (en) | 2014-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103575386B (en) | Based on diffuse reflection type high light temporal and spatial sampling measuring method and the device of rotating vane | |
| CN108717195B (en) | Coherent Doppler wind lidar system and control method thereof | |
| CN106813575B (en) | The outer blindage position measuring system of coronagraph and location measurement method | |
| CN106017725A (en) | Measuring device suitable for two-dimensional reconstruction of combustion flow field gas | |
| CN101782432B (en) | Universal photoelectric test system for tera-hertz spectra | |
| CN103512728B (en) | Total-range multi-optical-axis consistency calibration device and method | |
| CN102507596B (en) | Optical element surface defect detecting system based on active laser beam scanning | |
| CN107340211B (en) | Automatic monitoring device for dust particles in bulk coal yard | |
| CN103308208B (en) | The fast diagnosis method of transient temperature and device in a kind of plasma space field | |
| CN106226759A (en) | A kind of tracking Stabilily parameter device and method | |
| CN107688009A (en) | TDLAS boiler furnace gas two dimension concentration distribution detection method and device based on automatic scanning system | |
| CN104880417A (en) | Remote automatic real-time monitoring device and method for water spectrum | |
| CN203519159U (en) | Diffuse reflection type highlight space-time sampling and measuring device based on rotating blade | |
| CN209784528U (en) | laser radar and laser vertical calibration device thereof | |
| CN112269190A (en) | Split type automatic zooming 360-degree rotating optical wedge scanning laser wind measuring radar | |
| CN101900540B (en) | Device and method for measuring helicopter rotor running elevation based on double lasers | |
| Bäuml | Measurement of the optical properties of the auger fluorescence telescopes | |
| CN104266756A (en) | Broadband infrared scanning beam split device and calibrating method | |
| CN103954392B (en) | What micro-momentum device was rocked in the measurement of linear frequency modulation multi-beam laser heterodyne rocks micro-impulse measurement method | |
| CN206057558U (en) | A kind of tracking Stabilily parameter device | |
| KR102550052B1 (en) | Laser beam steering type lidar for measuring wind speed using 2-axis steering mirror | |
| CN109779851B (en) | Device and method for measuring sound power level of wind generating set | |
| CN109060317B (en) | Characteristic parameter testing system for long-distance transmission of laser beam and working process thereof | |
| CN207472422U (en) | A kind of mid-infrared laser beam slit scanning means | |
| CN106227241A (en) | A kind of motion platform double-view field double loop scan tracing system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20171028 |